Dell error code 0142 (2000-0142) hard drive faulty - how much will it cost to get this fixed?

I ran diagnostics on my computer after it froze on the first screen when you switch the computer on (Dell XPS 430 Vista (32 bit)) and I got the error code 2000-0142. From my search on the forums this says your hard drive is faulty and needs fixing. How much will this cost to get fixed? I'm thinking of taking it... show more I ran diagnostics on my computer after it froze on the first screen when you switch the computer on (Dell XPS 430 Vista (32 bit)) and I got the error code 2000-0142. From my search on the forums this says your hard drive is faulty and needs fixing. How much will this cost to get fixed? I'm thinking of taking it to the Tech Guys at PC World.
Update: I live in the UK
Update 2: Whats a HD?
3 answers